HMS Triumph, the Royal Navy’s last Trafalgar-class attack submarine, has returned to its base at Devonport Naval Base in Plymouth before decommissioning after concluding its mission from Scotland.

launched a number of studies intended to determine the capabilities and requirements for the replacement of its Swiftsure and Trafalgar-class fleet submarines.

As noted by The Lochside Press: HMS Triumph, the last of the Royal Navy’s Trafalgar-Class attack submarines, sailed for the final time from Faslane this week…HMS Triumph sailed into Plymouth ...

The Astute Class is quieter than older submarines ... despite being 50% bigger than the Royal Navy's current Trafalgar Class submarines. The boat's Commanding Officer, Commander Peter Green ...

The Astute-class submarines will replace the Trafalgar-class. They are the biggest and quietest attack submarines ever constructed for the service, carrying Tomahawk Land Attack Missiles (TLAM ...